Sudoku

the game currently has :
- functioning generation of random, solvable, sudoku levels.
- the ability to add notes
- mouse / touch controls
- keypad/numpad controls (with + to add notes and 0 to erase)
- standard keyboard controls with number keys, "n" for notes and both 0 and backspace to erase
- highlighting of the entire column and row you've selected to aid somewhat in speed-reading through them
- a hint system (Hint-added numbers are non-erasable too so you can't accidentally lose them)
- win/lose scenarios automatic upon completely filling, though i decided upon not having it automatically tell you if you wrote in the wrong number as it could be abused too easily
-some sfx and a perfectly functional ui, although improvements can definitely be made 

Tldr: it's perfectly functional but it has a few minor things i'd like to fix up.

if you're on mobile i advise putting it first into landscape orientation as it seems to lock in the orientation your browser *was* in, in the webgl version that is.